Home / 862,814,986.20-1,294,222,479.30-719,325,916.20

Finding the Fourth Proportional to 862,814,986.20, 1,294,222,479.30 and 719,325,916.20

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Solution

The fourth proportional to 862,814,986.20, 1,294,222,479.30 and 719,325,916.20 is: 1,078,988,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,814,986.20 : 1,294,222,479.30 = 719,325,916.20 : x
  2. Step 2: Convert to fraction form
    862,814,986.20/1,294,222,479.30 = 719,325,916.20/x
  3. Step 3: Cross multiply
    862,814,986.20x = 1,294,222,479.30 × 719,325,916.20
  4. Step 4: Simplify right side
    862,814,986.20x = 930,967,770,689,108,096
  5. Step 5: Solve for x
    x = 930,967,770,689,108,096/862,814,986.20
  6. Step 6: Final answer
    x = 1,078,988,874.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.